121112122102201 has 16 divisors (see below), whose sum is σ = 121882263991488. Its totient is φ = 120343130913600.

The previous prime is 121112122102171. The next prime is 121112122102253. The reversal of 121112122102201 is 102201221211121.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 121112122102201 - 2⁷ = 121112122102073 is a prime.

It is a super-2 number, since 2×121112122102201² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (121112122172201) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1122987186 + ... + 1123095028.

It is an arithmetic number, because the mean of its divisors is an integer number (7617641499468).

Almost surely, 2^{121112122102201} is an apocalyptic number.

It is an amenable number.

121112122102201 is a deficient number, since it is larger than the sum of its proper divisors (770141889287).

121112122102201 is a wasteful number, since it uses less digits than its factorization.

121112122102201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 113112.

The product of its (nonzero) digits is 64, while the sum is 19.

Adding to 121112122102201 its reverse (102201221211121), we get a palindrome (223313343313322).

The spelling of 121112122102201 in words is "one hundred twenty-one trillion, one hundred twelve billion, one hundred twenty-two million, one hundred two thousand, two hundred one".